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38 lines
1.3 KiB
38 lines
1.3 KiB
4 months ago
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/*
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* Copyright 2018 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_MESSAGE_BUFFER_READER_H_
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#define RTC_BASE_MESSAGE_BUFFER_READER_H_
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#include "rtc_base/byte_buffer.h"
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namespace webrtc {
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// A simple subclass of the ByteBufferReader that exposes the starting address
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// of the message and its length, so that we can recall previously parsed data.
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class MessageBufferReader : public rtc::ByteBufferReader {
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public:
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MessageBufferReader(const char* bytes, size_t len)
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: rtc::ByteBufferReader(bytes, len) {}
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~MessageBufferReader() = default;
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// Starting address of the message.
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const char* MessageData() const { return bytes_; }
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// Total length of the message. Note that this is different from Length(),
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// which is the length of the remaining message from the current offset.
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size_t MessageLength() const { return size_; }
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// Current offset in the message.
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size_t CurrentOffset() const { return start_; }
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};
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} // namespace webrtc
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#endif // RTC_BASE_MESSAGE_BUFFER_READER_H_
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